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Dev.to vs ReqRes

Same instrument, two spec sheets — measured, not claimed.

APIDev.toHEALTHY77ReqResHEALTHY98
Uptime · 30d
Uptime · 90d100%100%
Uptime · 30d100%100%
P50 · ms328256
P95 · ms1068582
Authnonenone
CORSyesno
HTTPSyesyes
Card requirednono
Commercial useunclearunclear
Data licenseUnverifiedUnverified
Free tierFree — limits not publishedFree — limits not published
Rate limitUnpublishedUnpublished
In directory since2026-07-052026-07-05
operationalpartialdownno data

Dev.to vs ReqRes: common questions

Which is more reliable, Dev.to or ReqRes?

Both are neck-and-neck — Dev.to and ReqRes each measure 100% uptime over 90 days on our probe schedule. Reliability here is verified from our own scheduled checks; use the 30-day bars above to see which has been steadier lately.

Which is faster, Dev.to or ReqRes?

ReqRes has the lower median latency in our checks — Dev.to responds in 328 ms versus ReqRes at 256 ms (P50). Tail latency (P95) is in the table above; for most workloads the median is the number that shapes how the API feels.

Do Dev.to and ReqRes need an API key?

Neither needs a paid key — Dev.to is callable with no signup, and ReqRes is callable with no signup. Both are quick to prototype with; rate limits still apply.

Can I call Dev.to and ReqRes from the browser?

Only Dev.to is browser-friendly — it returns CORS headers over HTTPS. ReqRes needs a server-side call or proxy, so factor that into which one fits a front-end project.

Are Dev.to and ReqRes free for commercial use?

Dev.to has unclear commercial terms, and ReqRes has unclear commercial terms. We track service terms and the data license as separate fields — see the Commercial use and Data license rows above, and confirm both before shipping either in a paid product.